Secure Video Packet Transmission with Redundancy
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Solution Overview
Problem
The challenge lies in securely transmitting high-quality video data to electronic displays, particularly in scenarios where hard wiring is impractical or impossible, and there is a risk of data interference from third parties, whether through wired or wireless means.
Innovation Solution
A system and method that encodes video data into packets with unique headers and security keys, allowing for analysis and reassembly, with optional redundant packets for reliability, and employs standard wireless encryption to ensure secure and uninterrupted transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless transmission is used to transmit video data to electronic displays, then ease of installation and adaptability are improved, but security against third-party interference and data integrity deteriorate
Solution Approach 1:
The video data stream is segmented into discrete packets, each containing a header with security credentials (authentication data, packet sequence numbers, frame identifiers). This segmentation enables individual packet verification and isolation of compromised packets without affecting the entire data stream
Solution Approach 2:
Security credentials act as an intermediary mechanism between the transmitter and receiver, providing a trusted verification layer that authenticates packets without requiring direct trust between communication parties. The credentials include authentication data and verification markers that mediate the security verification process
2Manufacturing precision
If high-definition video data is transmitted, then picture quality is improved, but bandwidth requirements and transmission complexity increase
Solution Approach 1:
High-definition video data is divided into manageable packets with standardized header structures. Each packet contains essential information (authentication data, sequence numbers, frame identifiers) that enables efficient processing and reassembly without requiring complex end-to-end handling of the entire high-bandwidth stream
Solution Approach 2:
The system transforms the video data into a packetized format with specific parameter structures (headers containing authentication data, sequence numbers, frame identifiers). This parameter transformation enables high-definition transmission by organizing data into verifiable units that can be efficiently managed across the transmission medium
3Reliability
If packet analysis and verification are performed for each transmitted packet, then security and data integrity are improved, but processing time and computational requirements increase
Solution Approach 1:
Security credentials including authentication data and verification markers are embedded in packet headers during the transmission preparation phase. This preliminary action enables rapid verification at the receiver end without requiring complex real-time analysis, as the verification data is already prepared and attached to each packet
Solution Approach 2:
The system replaces complex real-time security verification mechanisms with a streamlined credential-based verification system. Instead of analyzing entire packets or performing complex cryptographic operations on full frames, the system uses pre-prepared authentication data and sequence numbers in headers for quick validation
Data Source
AI summary
Exemplary embodiments provide a system and method for securely transmitting video data to an electronic display. The video data may be transmitted using a wired or wireless application. Raw video data is encoded as a plurality of JPEG frames. A plurality of primary packets are created which may contain one frame or a portion of a frame of video. Each primary packet contains a unique header with information about the packet and a unique security key. A redundant packet and header are created for each primary packet and header. After transmission each packet and header may be analyzed to determine if it was transmitted properly. If the primary packet was not transmitted properly or was an unintended transmission, the system may discard the primary packet and proceed with the redundant packet. If the redundant packet was not transmitted properly or was an unintended transmission, the entire frame may be discarded and the previously accepted frame may be repeated within the video decoder. If multiple frames are discarded, the system may display a default image. The packets are re-assembled and displayed if they are the intended transmission.A system and method for securely transmitting video data to an electronic display. The video data may be transmitted using a wired or wireless application. Raw video data may be encoded as a plurality of frames. A plurality of packets may be created which may contain one frame or a portion of a frame. Each packet may contain a unique header with information about the packet and a unique security key. After transmission various properties of each packet may be analyzed to determine if they are acceptable. The packets may be re-assembled and displayed if they are the intended transmission. A previous frame, default image, or default video may be displayed if any of the packets are not acceptable. Alternatively, a pair of packets may be transmitted together so that if a primary packet is rejected, the system could analyze a redundant packet to complete the frame and provide a minimal interruption of video signal.